Ricoh Aficio MP 2550B, Service Manual

Page: 875 / 1153

NCU Parameters
SM 141 D361
Fax Op
tion
Ty
pe 3
350
D36
1
Address Function Unit Remarks
6805B3
Detection time for 800 Hz AI short
protocol tone
20 ms Factory setting: 360 ms
6805B4 PSTN: Tx level from the modem -N – 3 dBm
SP2-103-002
(parameter 01).
6805B5
PSTN: 1100 Hz tone transmission
level
- N 6805B4 - 0.5N 6805B5 –3.5 (dB)
See Note 7.
6805B6
PSTN: 2100 Hz tone transmission
level
- N6805B4 - 0.5N 6805B6 –3 (dB)
See Note 7.
6805B7 PABX: Tx level from the modem - dBm
6805B8
PABX: 1100 Hz tone transmission
level
- N 6805B7 - 0.5N 6805B8 (dB)
6805B9
PABX: 2100 Hz tone transmission
level
- N 6805B7 - 0.5N 6805B9 (dB)
6805BD
Modem turn-on level (incoming
signal detection level)
-37-0.5N
(dBm)
6805BE
to
6805C6
Not used
Do not change the
settings.
6805C7
Bits 0 to 3 – Not used.
Bit 4 – V.34 protocol dump - 0: Simple, 1: Detailed (default)
Bits 5 to 7 – Not used.
6805C8
to
6805D9
Not used
Do not change the
settings.
6805DA T.30 T1 timer 1 s
6805E0 bit
3
Maximum wait time for post message
0: 12 s
1: 30 s
1: Maximum wait time
for post message
(EOP/EOM/MPS) can